<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>

  <input type="text" v-model="num" placeholder="请输入1-100之间的整数：">
  <input type="button" value="猜一猜" @click="f()">
  <h3>{{info}}</h3>

</div>
<script src="../../js/vue.min.js"></script>
<script>
  let x = parseInt(Math.random()*100)+1;
  let v = new Vue({
    el: "body>div",
    data:{
      info:"猜数字练习",
      num:""
    },
    methods:{
      f(){
        if (v.num>x){
          v.info = "猜大了";
        }else if (v.num < x){
          v.info = "猜小了";
        }else {
          v.info = "猜对了";
        }
      }
    }

  })
</script>
</body>
</html>